Ismail Gulsen
Department of Neurosurgery, Yuzuncu Yil University, School of Medicine, Van, Turkey
Hakan Ak
Department of Neurosurgery, Bozok University, School of Medicine, Yozgat, Turkey
Nihat Demir
Department of Pediatrics, Yuzuncu Yil University, School of Medicine, Van, Turkey
Enver Sosuncu
Department of Neurosurgery, Yuzuncu Yil University, School of Medicine, Van, Turkey
Mehmet Arslan
Department of Neurosurgery, Yuzuncu Yil University, School of Medicine, Van, Turkey